If the environment variable $MANPATH is already set, the information contained within /etc/manpath.config will not override it.
The system manual page hierarchies are usually those stored under /usr such as /usr/man, /usr/local/man and /usr/X11R6/man.
If cat pages from a particular manpath_element are not to be stored or are to be stored in the traditional location, catpath_element may be omitted.
Traditional cat placement would be impossible for read only mounted manual page hierarchies and because of this it is possible to specify any valid directory hierarchy for their storage. To observe the Linux FSSTND the keyword `FSSTND can be used in place of an actual directory.
Unfortunately, it is necessary to specify all system man tree paths, including alternate operating system paths such as /usr/man/sun and any NLS locale paths such as /usr/man/de_DE.88591.
As the information is parsed line by line in the order written, it is necessary for any manpath that is a sub-hierarchy of another hierarchy to be listed first, otherwise an incorrect match will be made. An example is that /usr/man/de_DE.88591 must come before /usr/man.
SECTION 1 n l 8 3 2 5 4 9 6 7
If multiple SECTION directives are given, their section lists will be concatenated.
If a particular extension is not in this list (say, 1mh) it will be displayed with the rest of the section it belongs to. The effect of this is that you only need to explicitly list extensions if you want to force a particular order. Sections with extensions should usually be adjacent to their main section (e.g. "1 1mh 8 ...").
SECTIONS is accepted as an alternative name for this directive.